... 2.split surface, rough edge 3.color: dark black 4.Material: slate 5.CE,LFGB,FDA,SGS ... Big Dark Black Slate Rectangular Coaster Brand nameXinmao slateMaterialNatural slate & ... hexagon, etc.Size(cm)20x20 CP-028D2A ColorDark black Thickness(cm)Normal:0.4-0.6cm,or as ... tags, slate photo frame, slate memo board, slate plant label, slate windowsill, roofing slate tiles, flooring late, ...